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The cubic metre (in
Commonwealth English The use of the English language English is a of the , originally spoken by the inhabitants of . It is named after the , one of the ancient that migrated from , a peninsula on the (not to be confused with ), to the area of later nam ...
and international spelling as used by the
International Bureau of Weights and Measures The International Bureau of Weights and Measures (french: Bureau international des poids et mesures, BIPM) is an intergovernmental organisation An intergovernmental organization (IGO) or international organization is an organization composed ...
) or cubic meter (in
American English American English (AmE, AE, AmEng, USEng, en-US), sometimes called United States English or U.S. English, is the set of varieties of the English language native to the United States. Currently, American English is the most influential form of ...
) is the
SI derived unit SI derived units are units of measurement ' Measurement is the number, numerical quantification (science), quantification of the variable and attribute (research), attributes of an object or event, which can be used to compare with other objects o ...
of
volume Volume is a scalar quantity expressing the amount Quantity or amount is a property that can exist as a multitude Multitude is a term for a group of people who cannot be classed under any other distinct category, except for their shared fact ...

volume
. Its symbol is m3. Bureau International de Poids et Mesures.
Derived units expressed in terms of base units
". 2014. Accessed 7 August 2014.
It is the volume of a
cube In geometry Geometry (from the grc, γεωμετρία; ' "earth", ' "measurement") is, with , one of the oldest branches of . It is concerned with properties of space that are related with distance, shape, size, and relative position ...
with edges one
metre The metre ( Commonwealth spelling) or meter (American spelling Despite the various English dialects spoken from country to country and within different regions of the same country, there are only slight regional variations in English o ...
in length. An alternative name, which allowed a different usage with
metric prefix A metric prefix is a unit prefixA unit prefix is a specifier or mnemonic that is prepended to units of measurement to indicate multiples or fractions of the units. Units of various order of magnitude, sizes are commonly formed by the use of such ...
es, was the
stère The stere or stère (st) is a unit Unit may refer to: Arts and entertainment * UNIT, a fictional military organization in the science fiction television series ''Doctor Who'' * Unit of action, a discrete piece of action (or beat) in a theatrical ...
, still sometimes used for
dry measureDry measures are unit Unit may refer to: Arts and entertainment * UNIT, a fictional military organization in the science fiction television series ''Doctor Who'' * Unit of action, a discrete piece of action (or beat) in a theatrical presentation Mu ...
(for instance, in reference to
wood Wood is a porous and fibrous structural tissue found in the stems and roots of tree In botany, a tree is a perennial plant with an elongated Plant stem, stem, or trunk (botany), trunk, supporting branches and leaves in most species. ...

wood
). Another alternative name, no longer widely used, was the kilolitre.


Conversions

: A cubic metre of pure water at the temperature of maximum density (3.98 °C) and standard
atmospheric pressure Atmospheric pressure, also known as barometric pressure (after the barometer A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. ...
(101.325 kPa) has a
mass Mass is the quantity Quantity is a property that can exist as a multitude or magnitude, which illustrate discontinuity and continuity. Quantities can be compared in terms of "more", "less", or "equal", or by assigning a numerical value ...
of , or one
tonne The tonne ( or ; symbol: t) is a metric unit of mass equal to 1,000 kilogram The kilogram (also kilogramme) is the base unit of mass in the International System of Units (SI), the current metric system, having the unit symbol kg. I ...
. At 0 °C, the freezing point of water, a cubic metre of water has slightly less mass, 999.972 kilograms. It is sometimes abbreviated to , , , , , , when
superscript Pro; the size of the subscript is about 62% of the original characters, dropped below the baseline by about 16%. The second typeface is Myriad A myriad (from Ancient Greek Ancient Greek includes the forms of the Greek language used in a ...

superscript
character Character(s) may refer to: Arts, entertainment, and media Literature * ''Character'' (novel), a 1936 Dutch novel by Ferdinand Bordewijk * ''Characters'' (Theophrastus), a classical Greek set of character sketches attributed to Theophrastus M ...
s or markup cannot be used (e.g. in some typewritten documents and postings in
Usenet Usenet () is a worldwide distributed discussion system available on computers. It was developed from the general-purpose Unix-to-Unix Copy (UUCP) dial-up Dial-up Internet access is a form of Internet access Internet access is the ability of ...
newsgroups). The "cubic metre" symbol is encoded by
Unicode Unicode, formally the Unicode Standard, is an information technology standard Standard may refer to: Flags * Colours, standards and guidons * Standard (flag), a type of flag used for personal identification Norm, convention or requireme ...

Unicode
at code point .


Multiples and submultiples


Multiples

;Cubic decametre :the volume of a cube of side length one decametre (10 m) :equal to a
megalitre The litre (British English British English (BrE) is the standard dialect of the English language English is a West Germanic languages, West Germanic language first spoken in History of Anglo-Saxon England, early medieval Englan ...
:1 dam3 = = 1 ML ;Cubic hectometre :the volume of a cube of side length one hectometre (100 m) :equal to a
gigalitre The litre (British English British English (BrE) is the standard dialect of the English language English is a West Germanic languages, West Germanic language first spoken in History of Anglo-Saxon England, early medieval Englan ...
:in civil engineering abbreviated MCM for million cubic metres :1 hm3 = = 1 GL ;Cubic kilometre :the volume of a cube of side length one kilometre () :equal to a teralitre :1 km3 = = 1 TL (810713.19
acre-feet The acre-foot is a non-SI unit of volume commonly used in the United States customary units#Units of capacity and volume, United States in reference to large-scale water resources, such as reservoirs, aqueduct (water supply), aqueducts, canals, s ...
; 0.239913
cubic mile Cubic may refer to: Science and mathematics * Cube (algebra) In arithmetic and algebra Algebra (from ar, الجبر, lit=reunion of broken parts, bonesetting, translit=al-jabr) is one of the areas of mathematics, broad areas of mathemat ...
s)


Submultiples

;Cubic decimetre :the volume of a cube of side length one decimetre (0.1 m) :equal to a litre :1 dm3 = 0.001 m3 = 1 L : (also known as DCM (=Deci Cubic Meter) in Rubber compound processing) ;Cubic centimetreThe cubic centimetre is the base unit of volume of the CGS system of units. The colloquial abbreviations "cc" and "ccm" are not SI but are common in some contexts such as cooking,
engine displacement Engine displacement is the measure of the cylinder (engine), cylinder volume swept by all of the pistons of a piston engine, excluding the combustion chambers. It is commonly used as an expression of an engine's size, and by extension as a loo ...
and medicine.
:the volume of a cube of side length one centimetre (0.01 m) :equal to a millilitre :1 cm3 = = 10−6 m3 = 1 mL ;Cubic millimetre :the volume of a cube of side length one millimetre (0.001 m) :equal to a microlitre :1 mm3 = = 10−9 m3 = 1 μL


Notes

{{Orders of magnitude (volume) Orders of magnitude (volume) Units of volume SI derived units